ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,452,205, issued on Oct. 21, was assigned to Amazon Technologies Inc. (Seattle).

"Request routing based on class" was invented by David R. Richardson (Seattle), Swaminathan Sivasubramanian (Medina, Wash.), Bradley Eugene Marshall (Bainbridge Island, Wash.), Christopher L. Scofield (Seattle) and Elmore Eugene Pope (Sammamish, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method for management and processing of resource requests is provided. A content delivery network service provider receives a DNS query from a client computing device. The DNS query corresponds to a requested resource from the client computing device. The content deliv...